What is the difference between GLM 5 and Grok Code Fast 1?

GLM 5 is developed by Zhipu AI while Grok Code Fast 1 is developed by xAI. GLM 5 has a 203K token context window vs Grok Code Fast 1's 256K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GLM 5 or Grok Code Fast 1?

It depends on your use case. GLM 5 and Grok Code Fast 1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GLM 5 cost compared to Grok Code Fast 1?

GLM 5 costs $0.8/M input tokens and Grok Code Fast 1 costs $0.2/M input tokens. Grok Code Fast 1 is $0.60/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GLM 5 and Grok Code Fast 1 on Rival?

This page shows a side-by-side comparison of GLM 5 and Grok Code Fast 1 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

What is the difference between GLM 5 and Grok Code Fast 1?

GLM 5 is developed by Zhipu AI while Grok Code Fast 1 is developed by xAI. GLM 5 has a 203K token context window vs Grok Code Fast 1's 256K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GLM 5 or Grok Code Fast 1?

It depends on your use case. GLM 5 and Grok Code Fast 1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GLM 5 cost compared to Grok Code Fast 1?

GLM 5 costs $0.8/M input tokens and Grok Code Fast 1 costs $0.2/M input tokens. Grok Code Fast 1 is $0.60/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GLM 5 and Grok Code Fast 1 on Rival?

This page shows a side-by-side comparison of GLM 5 and Grok Code Fast 1 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Feb 2026

GLM 5vsGrok Code Fast 1

Grok Code Fast 1 is cheaper than GLM 5 at $0.2/M vs $0.8/M input tokens.

GLM 5 and Grok Code Fast 1 compared across 53 shared prompts
Spec	GLM 5	Grok Code Fast 1
Input price	$0.8/M tokens	$0.2/M tokens
Output price	$2.56/M tokens	$1.5/M tokens
Context window	203K tokens	256K tokens
Released	Feb 2026	Aug 2025
SWE-bench Verified	77.8%	70.8%

Our Verdict

GLM 5

Grok Code Fast 1Runner-up

Not enough votes to call it. On the specs, GLM 5 has the edge: bigger model tier, newer.

Too close to call

What do GLM 5 and Grok Code Fast 1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 5

Input

$0.80

Output

$2.56

Grok Code Fast 1

Input

$0.20

4.0× cheaper

Output

$1.50

1.7× cheaper

Grok Code Fast 1 is cheaper on both — 4.0× input, 1.7× output

Writing DNA

Style Comparison

Similarity

36%

Grok Code Fast 1 uses 6.0x more emoji

GLM 5

Grok Code Fast 1

54%Vocabulary60%

17wSentence Length17w

0.37Hedging0.97

6.3Bold2.8

4.7Lists2.5

0.00Emoji0.06

0.60Headings0.89

0.18Transitions0.11

Based on 22 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok Code Fast 1 vs MiniMax M3New provider

Grok Code Fast 1 vs Ox AlphaNew provider

Grok Code Fast 1 vs Claude Opus 4New provider

Grok Code Fast 1 vs Claude Opus 4.1New provider

Grok Code Fast 1 vs Gemini 3 Flash PreviewNew provider

Grok Code Fast 1 vs Gemini 3 Pro PreviewNew provider

Grok Code Fast 1 vs Gemini 3.1 Flash LiteNew provider

Grok Code Fast 1 vs Gemini 3.1 Flash Lite PreviewNew provider

Updated Feb 2026

GLM 5vsGrok Code Fast 1

Grok Code Fast 1 is cheaper than GLM 5 at $0.2/M vs $0.8/M input tokens.

GLM 5 and Grok Code Fast 1 compared across 53 shared prompts
Spec	GLM 5	Grok Code Fast 1
Input price	$0.8/M tokens	$0.2/M tokens
Output price	$2.56/M tokens	$1.5/M tokens
Context window	203K tokens	256K tokens
Released	Feb 2026	Aug 2025
SWE-bench Verified	77.8%	70.8%

Our Verdict

GLM 5

Grok Code Fast 1Runner-up

Not enough votes to call it. On the specs, GLM 5 has the edge: bigger model tier, newer.

Too close to call

What do GLM 5 and Grok Code Fast 1 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GLM 5

Input

$0.80

Output

$2.56

Grok Code Fast 1

Input

$0.20

4.0× cheaper

Output

$1.50

1.7× cheaper

Grok Code Fast 1 is cheaper on both — 4.0× input, 1.7× output

Writing DNA

Style Comparison

Similarity

36%

Grok Code Fast 1 uses 6.0x more emoji

GLM 5

Grok Code Fast 1

54%Vocabulary60%

17wSentence Length17w

0.37Hedging0.97

6.3Bold2.8

4.7Lists2.5

0.00Emoji0.06

0.60Headings0.89

0.18Transitions0.11

Based on 22 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok Code Fast 1 vs MiniMax M3New provider

Grok Code Fast 1 vs Ox AlphaNew provider

Grok Code Fast 1 vs Claude Opus 4New provider

Grok Code Fast 1 vs Claude Opus 4.1New provider

Grok Code Fast 1 vs Gemini 3 Flash PreviewNew provider

Grok Code Fast 1 vs Gemini 3 Pro PreviewNew provider

Grok Code Fast 1 vs Gemini 3.1 Flash LiteNew provider

Grok Code Fast 1 vs Gemini 3.1 Flash Lite PreviewNew provider